The PanguTeam has released an updated version of its untether for the iOS 8.0 - 8.1 jailbreak, fixing an issue which could cause your device to overheat due to excessive CPU usage.
Instructions on how to jailbreak and unlock your iPhone 3GS on iOS 4.2.1 firmware using RedSn0w for Windows. This tutorial will show you how to upgrade your baseband to the iPad baseband if needed.
Pod2g has tweeted to accuse iH8sn0w and winocm of burning a valuable root exploit that could have been used for future jailbreaks to release p0sixspwn, a jailbreak for iOS 6.1.3, 6.1.4, and 6.1.5.